Bug 27063 - drivers/perf: add LRW DDR PMU support
Summary: drivers/perf: add LRW DDR PMU support
Status: NEW
Alias: None
Product: ANCK 6.6 Dev
Classification: ANCK
Component: debugability (show other bugs) debugability
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: xiangzao
QA Contact: shuming
URL:
Whiteboard:
Keywords: HwEnablement, Performance, Tracking
Depends on:
Blocks:
 
Reported: 2025-11-13 16:40 UTC by liuqingtao
Modified: 2025-11-13 16:40 UTC (History)
3 users (show)

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Description liuqingtao 2025-11-13 16:40:27 UTC 
This patch adds LRW DDR PMU support via the perf framework.

The implementation includes:

Registering a PMU driver for the LRW DDR controller
Providing basic counter support for DDR performance metrics
Integrating with the perf subsystem for user-space access